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Equation of Time
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Topic: Equation of Time (Read 583 times)
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JohnHaine
Newbie
Posts: 8
Equation of Time
«
on:
January 23, 2020, 11:05:38 AM »
A thought about a feature. I spent a while figuring out a spreadshe
et to generate the G code for cutting an Equation of Time cam. Not many people make clocks with an EoT "complicat
ion", and it isn't useful unless you want to set your clock by the sun, but them mechanica
l clocks aren't necessari
ly useful anyway! I'd be happy to supply my spreadshe
et to anyone, but it would make more sense to have the algorithm in Gearotic perhaps?
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ArtF
Administrator
Hero Member
Posts: 5680
Re: Equation of Time
«
Reply #1 on:
January 23, 2020, 03:24:28 PM »
Hi John:
To be honest , I hadn't heard of this cam type.
I'm reading up on it now that you've brought it to my attention,
I cant promise Ill add it, but Ill certainly look into it. The equations
dont look hard to implement as a cam generator
.
Thx for the idea, I always like exploring new concepts.
.
Art
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Mooselake
Hero Member
Posts: 638
Re: Equation of Time
«
Reply #2 on:
January 23, 2020, 06:01:07 PM »
EoT even has it's
own website
Kirk
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JohnHaine
Newbie
Posts: 8
Re: Equation of Time
«
Reply #3 on:
January 25, 2020, 03:54:09 PM »
Thanks Art, and also Kirk, that website is cool!
Generatin
g the cam is slightly complicat
ed by the fact that the follower for a clock is probably going to be on the end of a pivoted arm which drives a pointer - you have to allow for the fact that you probably want the pointer scale to be linear in minutes, as well of course for the diameter of the follower pin.
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